Antoine lav



UNITED STATES PATENT OFFICE.

ANTOINE LAVOCAT, LYONS, FRANCE.

COMPOSITION FOR CLOSING PUNCTURES IN PNEUMATIC TIRES. I

SPECIFICATION forming part of Letters Patent No. 618,694, dated January 31, 1899.

Application filed September 2 8, 1 89 8.

To all whom it may concern:

Be it known that I, ANTOINE LAVOCAT, chemist, a citizen of the Republic of France, residing in Lyons, (Rh6ne,) France, have in- 5' Vented a new and Improved Puncture= Closing Composition for Use in Connection with Pneumatic Tires and the Like, which is fully set forth in the following specification.

This invention relates to a composition intended for stopping leaks in the air-chambers of tires for velocipedes or in india-rubber tubes or pipes subject to rupture.

My improved composition, which I term Steganol, is intended to be introduced into the air-chambers of pneumatic tires for the purpose of stopping automatically, instantaneously, and hermetically holes or punctures accidentally made. I

The composition is as follows: gutta percha, 2o one thousand grams 5 copaiba or other balsam,

four thousand grams holly or other bird-lime,

Serial No. 692,115. (No specimens.)

' ANTOINE LAVOOAT. Witnesses:

LOUIS MAYNARD, JEAN BAIRO. 

